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RECRUITING

NCT06326463

PHASE1

CAR T-cell Therapy Directed to CD70 for Pediatric Patients With Hematological Malignancies

Sponsor: St. Jude Children's Research Hospital

View on ClinicalTrials.gov

Summary

The study participant has one of the following blood cancers: acute myelogenous leukemia (AML)/myelodysplastic syndrome (MDS), acute lymphoblastic leukemia (B-ALL, T-ALL) or Lymphoma. Your cancer has been difficult to treat (refractory) or has come back after treatment (relapse). Primary Objective To determine the safety and maximum tolerated dose of intravenous infusions of escalating doses of CD70-CAR T cells in patients (≤21 years) with recurrent/refractory CD70+ hematological malignancies after lymphodepleting chemotherapy. Secondary Objectives To evaluate the antileukemic activity of CD70-CAR T cells. We will determine the anti- leukemic activity of the CD70-CAR T cells in the bone marrow and in the treatment of extramedullary disease.

Key Details

Gender

All

Age Range

Any - 21 Years

Study Type

INTERVENTIONAL

Enrollment

Start Date

2024-10-16

Completion Date

2031-07-01

Last Updated

2026-01-23

Healthy Volunteers

Conditions

Hematologic Malignancy ALL, Childhood AML, Childhood Lymphoma MDS

Interventions

DRUG

Fludarabine

40mg/m2, Day -4, -3 and -2

DRUG

Cyclophosphamide

Day -3 and Day-2 REST DAY, -1

DRUG

CD70-CAR T cell infusion (Autologous)

Day 0 or +1

DRUG

Mesna

Mesna is generally dosed at approximately 25% of the cyclophosphamide dose. It is generally given intravenously prior to and again at 3, 6 and 9 hours following each dose of cyclophosphamide

Inclusion Criteria Age ≤21 years old Relapsed/refractory CD70+ hematological malignancy Relapsed disease: Patients developing recurrent disease after a prior complete remission (CR) Refractory disease: Patients with persistent disease despite 3 cycles of induction chemotherapy. * Relapsed/refractory CD70+ AML or MDS: * Relapsed disease that is CD70 positive * Refractory disease that is persistent despite 3 cycles of chemotherapy * Relapsed/refractory CD70+ B-cell ALL: * Relapsed disease that is CD70 positive and CD19 negative/dim or patients otherwise ineligible for CD19-directed therapies including: * Patients in 2nd or greater relapse * Patients with relapse after allogeneic HSCT * Relapsed/refractory CD70+ T-cell ALL: * Relapsed /refractory disease that is CD70 positive * Mixed Phenotype Acute Leukemia (MPAL): * Relapsed/refractory that is CD70 positive * Relapsed/refractory CD70+ lymphoma: * Relapsed disease that is CD70 positive and CD19 negative/dim or patients otherwise ineligible for CD19-directed therapies including: * Patients in 2nd or greater relapse * Patients with relapse after allogeneic HSCT Estimated life expectancy of \>12 weeks Karnofsky or Lansky (age- dependent) performance score ≥50 Patients with a history of prior allogeneic HCT must be clinically recovered from prior HCT therapy, have no evidence of active GVHD and have not received a donor lymphocyte infusion (DLI) within the 28 days prior to apheresis Patient must have an identified HCT donor For females of childbearing age: i. Not lactating with intent to breastfeed ii. Not pregnant with negative serum or urine pregnancy test within 7 days prior to enrollment Exclusion Criteria * Known primary immunodeficiency * Known history of HIV positivity * Severe intercurrent bacterial, viral or fungal infection * History of hypersensitivity to cornstarch or hydroxyethyl starch * Patients with acute promyelocytic leukemia (APL) * Known contraindication to protocol defined lymphodepleting * chemotherapy regimen of Fludarabine/cyclophosphamide

Locations (1)

St. Jude Children's Research Hospital

Memphis, Tennessee, United States

Clinical Research Directory

CAR T-cell Therapy Directed to CD70 for Pediatric Patients With Hematological Malignancies

Summary

Key Details

Conditions

Interventions

Eligibility Criteria

Locations (1)